OpenTechnical

OT-2026-000053084

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053084) never changes.

Identity and time

Publication numberOT-2026-000053084 · never reused
Internal UUID01a0ae84-a431-7e72-a342-ab4a5f8205aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053084
StatusPUBLIC

Content hashes

Canonical textc9ef4d1aeecb1721fcf86b87938612b36b71ef6f645762899a8a8ae7bbc01f32
Markdowne5a3d310be939d69fc48e8256d8b54f5863ab5ce07553fc3c2948faf6a17d54e
PDF
Publication pagec47a5b7cf4744f52872468c7e5d2ad84d9d32deb8bf94e8027715cd778cefa63
Manifest88527b21c37e19508f783da8c28122dece8c6ecfb23c509b070169a875aebbfb

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturePr2ZwhTQVtUoUuvwL68dn8j6/CYsQ6TmhycYlCdaZwdlmfAGLK4U8gZB+AwhZTj/9senujufYLSUaSS9JHQqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:48.227935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053084
observed c47a5b7cf4744f52872468c7e5d2ad84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.207951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053084/manifest.json
observed 88527b21c37e19508f783da8c28122de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.188497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053084/publication.md
observed e5a3d310be939d69fc48e8256d8b54f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.167344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053084/publication.txt
observed c9ef4d1aeecb1721fcf86b87938612b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.